Daily Practice

Higher

27th March 1980

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
5 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Histograms2 marks
A histogram class is 5 units wide and contains 12.5 values. Work out the frequency density.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
4
Simultaneous Equations3 marks
4 teas and 4 cakes cost £17.60. 4 teas and 5 cakes cost £21.00. Find the price of a tea.
5
Repeated Percentage Change3 marks
A town's population is 13500 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.

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